Grzegorz Grzywacz

62.01.Z - Computer programming activities

41.20.Z - Building works related to erection of residential and non-residential buildings

42.21.Z - Works related to construction oftransmission pipelines and distribution networks

43.13.Z - Test drilling and boring

43.21.Z - Electrical installation

43.22.Z - Plumbing, heat and air-conditioning installation

43.29.Z - Other construction installation

43.99.Z - Other specialised construction activities not elsewhere classified

62.02.Z - Computer consultancy activities

62.03.Z - Computer facilities management activities

62.09.Z - Other information technology and computer service activities

63.11.Z - Data processing, hosting and related activities

63.12.Z - Web portals

64.19.Z - Other monetary intermediation

68.10.Z - Buying and selling of own real estate

68.20.Z - Rental and operating of own or leased real estate

71.12.Z - Engineering activities and related technical consultancy

77.32.Z - Rental and leasing of construction machinery and equipment